Clic Aviator XXL Polarized Bi-Focal Reading Sunglasses in Gunmetal Metal frame Optical Grade CR39 lens polarized Lens width: 55 millimeters POLARIZED Lens for the best in Optical Clarity 100% UVA/UVB Protection Grey Tinted Bi-Focal Lens 8 Base Lens Curvature Clic Magnetic Sunglasses Aviator Model